From 716140b80feebaeea5ef833de1f6acae68e8a8f1 Mon Sep 17 00:00:00 2001
From: Leah Rowe <leah@libreboot.org>
Date: Wed, 1 Apr 2026 10:54:25 +0100
Subject: libreboot-utils: don't use the GNU SOURCE macro

use the POSIX one

declare prototypes where necessary.

Signed-off-by: Leah Rowe <leah@libreboot.org>
---
 util/libreboot-utils/lib/rand.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

(limited to 'util/libreboot-utils/lib/rand.c')

diff --git a/util/libreboot-utils/lib/rand.c b/util/libreboot-utils/lib/rand.c
index 082612d6..8c3fbf4c 100644
--- a/util/libreboot-utils/lib/rand.c
+++ b/util/libreboot-utils/lib/rand.c
@@ -7,28 +7,21 @@
 #ifndef RAND_H
 #define RAND_H
 
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE 1
-#endif
-
 #ifdef __OpenBSD__
 #include <sys/param.h>
 #endif
 #include <sys/types.h>
 
-#ifndef USE_URANDOM
-#define USE_URANDOM 0
-#endif
-
-#include <errno.h>
 #if defined(USE_URANDOM) && \
     ((USE_URANDOM) > 0)
 #include <fcntl.h> /* if not arc4random: /dev/urandom */
 #elif defined(__linux__)
 #include <sys/random.h>
 #include <sys/syscall.h>
+long syscall(long number, ...);
 #endif
 
+#include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <stddef.h>
-- 
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